package com.atguigu.utils;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

public class RedisUtil {

    public static JedisPool jedisPool = null;

    public static Jedis getJedis() {

        if (jedisPool == null) {

            JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
            jedisPoolConfig.setMaxTotal(100); //最大可用连接数
            jedisPoolConfig.setBlockWhenExhausted(true); //连接耗尽是否等待
            jedisPoolConfig.setMaxWaitMillis(2000); //等待时间
            jedisPoolConfig.setMaxIdle(5); //最大闲置连接数
            jedisPoolConfig.setMinIdle(5); //最小闲置连接数
            jedisPoolConfig.setTestOnBorrow(true); //取连接的时候进行一下测试 ping pong

            jedisPool = new JedisPool(jedisPoolConfig, "hadoop102", 6379, 1000);

            System.out.println("开辟连接池");
            return jedisPool.getResource();

        } else {
//            System.out.println(" 连接池:" + jedisPool.getNumActive());
            return jedisPool.getResource();
        }
    }
}
